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Medical Xpress / CAR T-cell therapy accelerates intestinal healing in aging mice

Ever notice that as you get older, some foods no longer sit with you the same? This could be due to a breakdown of the intestinal epithelium, a single layer of cells that forms the organ's lining. The intestine plays a crucial ...

Dec 11, 2025 in Immunology
Medical Xpress / Tricking tumors into marking themselves for destruction with focused ultrasound

USC biomedical engineers have found a way to make a solid tumor paint a target on its own back in order to train the body's immune system to find and destroy it.

Dec 11, 2025 in Oncology & Cancer
Medical Xpress / Scientists uncover key driver of treatment-resistant cancer: Genome-scrambling enzyme points to new treatments

University of California San Diego researchers have discovered the enzyme responsible for chromothripsis, a process in which a single chromosome is shattered into pieces and rearranged in a scrambled order, allowing cancer ...

Dec 11, 2025 in Oncology & Cancer
Phys.org / Wintertime spike in oceanic iron levels detected near Hawaii

Around the world, phytoplankton in the upper ocean help to cycle key nutrients and regulate Earth's climate by absorbing carbon dioxide. These photosynthesizing organisms rely on dissolved iron as an essential micronutrient, ...

Dec 11, 2025 in Earth
Medical Xpress / Antibody formulation could enable simple injections instead of lengthy hospital infusions

Antibody treatments for cancer and other diseases are typically delivered intravenously, because of the large volumes that are needed per dose. This means the patient has to go to a hospital for every treatment, where they ...

Dec 11, 2025 in Immunology
Phys.org / Shape-shifting cell channel reveals new target for precision drugs

From small ions to large molecules, cellular gates control what can pass in and out of cells. But how one such gate, called pannexin-1 (PANX1), can handle vastly different cargo sizes has remained a long-standing mystery.

Dec 11, 2025 in Biology
Phys.org / Exposing a single active site in nanoclusters boosts catalytic activity for green energy

There is a dire need for selective catalysts that allow us to consistently achieve a desired outcome in a chemical reaction. It is this consistency that allows for more efficient, energy-saving ways of producing fuel. A team ...

Dec 11, 2025 in Nanotechnology
Medical Xpress / Blocking collagen signaling boosts drug delivery in pancreatic cancer

Pancreatic cancer is one of the deadliest malignancies, with survival rates remaining dismally low despite major advances in oncology. One of the key reasons lies in the disease's unique fibrotic microenvironment—a dense, ...

Dec 11, 2025 in Medical research
Medical Xpress / Missing myelin in key brain cells erases first wave of sensory signals

Our nerve cells are surrounded by a protective layer (myelin). This protective layer allows signals to pass between cells incredibly quickly. But what happens when this layer goes missing from cells that transfer signals ...

Dec 11, 2025 in Neuroscience
Phys.org / Black hole ejects matter at 20% light speed in sun-like magnetic event

An international team of astronomers, led by SRON, has observed a sudden outburst of matter near the supermassive black hole NGC 3783 at speeds reaching up to 20% of the speed of light. During a 10-day observation, mainly ...

Dec 9, 2025 in Astronomy & Space
Phys.org / A pioneering study on the feasibility of asteroid mining

Much remains to be known about the chemical composition of small asteroids. Their potential to harbor valuable metals, materials from the early solar system, and the possibility of obtaining a geochemical record of their ...

Dec 10, 2025 in Astronomy & Space
Phys.org / Earliest botanical art hints at prehistoric mathematical thinking

A new study published in the Journal of World Prehistory reveals that some of humanity's earliest artistic representations of botanical figures were far more than decorative; they were mathematical.

Dec 10, 2025 in Other Sciences